Operating systems

Rangy is a cross-browser JavaScript range and selection library. It provides a simple standards-based API for performing common DOM Range and Selection tasks in all major browsers, abstracting away the wildly different implementations of this functionality between Internet Explorer and DOM-compliant browsers.

Simulate HDR is a plugin for The GIMP that creates two layers from a single image simulating an underexposed and an overexposed shot, creating a High Dynamic Range image. It can create a tone mapping layer to compress the color range of the image.